```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Dazidazi - 提升打字技能的完美选择</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            color: #333;
            background-color: #f8fafc;
            line-height: 1.6;
        }
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        .feature-card {
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .keyboard-icon {
            color: #4c51bf;
        }
        .highlight {
            background: linear-gradient(120deg, #a0aec0 0%, #a0aec0 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 88%;
        }
        .drop-cap::first-letter {
            float: left;
            font-size: 4.5rem;
            line-height: 0.65;
            margin: 0.1em 0.2em 0.1em 0;
            font-weight: bold;
            color: #4c51bf;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero text-white py-20 px-4">
        <div class="container mx-auto max-w-6xl">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-5xl font-bold mb-6 leading-tight">掌握键盘艺术<br>从Dazidazi开始</h1>
                    <p class="text-xl mb-8 opacity-90">免费、专业的中英文打字练习平台，帮助您提升输入速度和准确度</p>
                    <a href="https://dazidazi.com" class="bg-white text-indigo-700 font-semibold py-3 px-8 rounded-full hover:bg-opacity-90 transition duration-300 inline-flex items-center">
                        立即体验 <i class="fas fa-arrow-right ml-2"></i>
                    </a>
                </div>
                <div class="md:w-1/2">
                    <img src="https://cdn.nlark.com/yuque/0/2025/png/21449790/1749883485867-ceb70afd-a40d-467e-840e-976b9df8d754.png" alt="Dazidazi界面" class="rounded-lg shadow-2xl border-4 border-white border-opacity-20">
                </div>
            </div>
        </div>
    </section>

    <!-- Stats Section -->
    <section class="py-16 bg-gray-50">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="grid grid-cols-2 md:grid-cols-4 gap-6 text-center">
                <div class="bg-white p-6 rounded-xl shadow-sm">
                    <div class="text-4xl font-bold text-indigo-600 mb-2">100%</div>
                    <div class="text-gray-600">完全免费</div>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-sm">
                    <div class="text-4xl font-bold text-indigo-600 mb-2">4+</div>
                    <div class="text-gray-600">输入法支持</div>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-sm">
                    <div class="text-4xl font-bold text-indigo-600 mb-2">∞</div>
                    <div class="text-gray-600">练习内容</div>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-sm">
                    <div class="text-4xl font-bold text-indigo-600 mb-2">0</div>
                    <div class="text-gray-600">注册要求</div>
                </div>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section class="py-20 px-4">
        <div class="container mx-auto max-w-6xl">
            <h2 class="text-3xl font-bold text-center mb-16 relative">
                <span class="highlight px-4">核心功能</span>
            </h2>
            
            <div class="grid md:grid-cols-2 gap-10">
                <div class="feature-card bg-white p-8 rounded-xl shadow-md">
                    <div class="flex items-center mb-4">
                        <div class="keyboard-icon text-3xl mr-4">
                            <i class="fas fa-keyboard"></i>
                        </div>
                        <h3 class="text-xl font-bold">标准指法训练</h3>
                    </div>
                    <p class="text-gray-600">动态手势图指导，纠正指法习惯，提升盲打能力。通过科学的练习方法，让您的打字更加规范高效。</p>
                </div>
                
                <div class="feature-card bg-white p-8 rounded-xl shadow-md">
                    <div class="flex items-center mb-4">
                        <div class="keyboard-icon text-3xl mr-4">
                            <i class="fas fa-language"></i>
                        </div>
                        <h3 class="text-xl font-bold">多语言练习</h3>
                    </div>
                    <p class="text-gray-600">支持中文(拼音、双拼、五笔)、英文及代码打字。满足不同用户群体的多样化输入需求。</p>
                </div>
                
                <div class="feature-card bg-white p-8 rounded-xl shadow-md">
                    <div class="flex items-center mb-4">
                        <div class="keyboard-icon text-3xl mr-4">
                            <i class="fas fa-gamepad"></i>
                        </div>
                        <h3 class="text-xl font-bold">闯关式训练</h3>
                    </div>
                    <p class="text-gray-600">游戏化目标设置，根据用户水平智能生成练习内容。让学习打字变得有趣且富有挑战性。</p>
                </div>
                
                <div class="feature-card bg-white p-8 rounded-xl shadow-md">
                    <div class="flex items-center mb-4">
                        <div class="keyboard-icon text-3xl mr-4">
                            <i class="fas fa-sliders-h"></i>
                        </div>
                        <h3 class="text-xl font-bold">界面定制</h3>
                    </div>
                    <p class="text-gray-600">调整字体、空格样式、黑夜模式，优化视觉体验。个性化设置让打字练习更加舒适。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Usage Scenarios -->
    <section class="py-20 bg-indigo-50 px-4">
        <div class="container mx-auto max-w-6xl">
            <h2 class="text-3xl font-bold text-center mb-16 relative">
                <span class="highlight px-4">适用场景</span>
            </h2>
            
            <div class="grid md:grid-cols-3 gap-8">
                <div class="bg-white p-6 rounded-xl shadow-sm">
                    <div class="text-indigo-600 text-4xl mb-4">
                        <i class="fas fa-graduation-cap"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">学生备考</h3>
                    <p class="text-gray-600">练习打字以应对计算机考试，快速提升输入效率。为未来的学习和工作打下坚实基础。</p>
                </div>
                
                <div class="bg-white p-6 rounded-xl shadow-sm">
                    <div class="text-indigo-600 text-4xl mb-4">
                        <i class="fas fa-code"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">程序员训练</h3>
                    <p class="text-gray-600">通过代码打字模式提高编程输入速度。让编码过程更加流畅高效，减少输入错误。</p>
                </div>
                
                <div class="bg-white p-6 rounded-xl shadow-sm">
                    <div class="text-indigo-600 text-4xl mb-4">
                        <i class="fas fa-briefcase"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">职场效率</h3>
                    <p class="text-gray-600">文职人员通过词组练习减少日常输入错误。提升工作效率，减少工作时间。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Comparison Section -->
    <section class="py-20 px-4">
        <div class="container mx-auto max-w-6xl">
            <h2 class="text-3xl font-bold text-center mb-16 relative">
                <span class="highlight px-4">竞争优势</span>
            </h2>
            
            <div class="bg-white rounded-xl shadow-md overflow-hidden">
                <table class="min-w-full divide-y divide-gray-200">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">特性</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Dazidazi</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">TypingClub</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">91xjr</th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-gray-200">
                        <tr>
                            <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">中文支持</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-check text-green-500"></i> 全面</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-times text-red-500"></i> 有限</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-check text-green-500"></i> 支持</td>
                        </tr>
                        <tr>
                            <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">无需注册</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-check text-green-500"></i> 是</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-times text-red-500"></i> 否</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-times text-red-500"></i> 否</td>
                        </tr>
                        <tr>
                            <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">输入法多样性</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-check text-green-500"></i> 多</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-times text-red-500"></i> 少</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-check text-green-500"></i> 少</td>
                        </tr>
                        <tr>
                            <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">游戏化设计</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-check text-green-500"></i> 有</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-check text-green-500"></i> 有</td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500"><i class="fas fa-times text-red-500"></i> 无</td>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </section>

    <!-- Getting Started -->
    <section class="py-20 bg-gray-50 px-4">
        <div class="container mx-auto max-w-6xl">
            <h2 class="text-3xl font-bold text-center mb-16 relative">
                <span class="highlight px-4">快速上手指南</span>
            </h2>
            
            <div class="grid md:grid-cols-4 gap-8">
                <div class="flex flex-col items-center text-center">
                    <div class="bg-indigo-100 w-16 h-16 rounded-full flex items-center justify-center mb-4">
                        <span class="text-indigo-600 text-2xl font-bold">1</span>
                    </div>
                    <h3 class="font-bold mb-2">访问网站</h3>
                    <p class="text-gray-600 text-sm">打开dazidazi.com</p>
                </div>
                
                <div class="flex flex-col items-center text-center">
                    <div class="bg-indigo-100 w-16 h-16 rounded-full flex items-center justify-center mb-4">
                        <span class="text-indigo-600 text-2xl font-bold">2</span>
                    </div>
                    <h3 class="font-bold mb-2">选择模式</h3>
                    <p class="text-gray-600 text-sm">键位练习或文章测试</p>
                </div>
                
                <div class="flex flex-col items-center text-center">
                    <div class="bg-indigo-100 w-16 h-16 rounded-full flex items-center justify-center mb-4">
                        <span class="text-indigo-600 text-2xl font-bold">3</span>
                    </div>
                    <h3 class="font-bold mb-2">开始练习</h3>
                    <p class="text-gray-600 text-sm">按界面提示输入</p>
                </div>
                
                <div class="flex flex-col items-center text-center">
                    <div class="bg-indigo-100 w-16 h-16 rounded-full flex items-center justify-center mb-4">
                        <span class="text-indigo-600 text-2xl font-bold">4</span>
                    </div>
                    <h3 class="font-bold mb-2">优化体验</h3>
                    <p class="text-gray-600 text-sm">调整个性化设置</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Final CTA -->
    <section class="py-20 px-4">
        <div class="container mx-auto max-w-4xl text-center">
            <h2 class="text-3xl font-bold mb-6">准备好提升您的打字技能了吗？</h2>
            <p class="text-xl text-gray-600 mb-8">Dazidazi 提供免费、易用的打字练习方案，适合多种用户需求。</p>
            <a href="https://dazidazi.com" class="bg-indigo-600 text-white font-semibold py-3 px-8 rounded-full hover:bg-indigo-700 transition duration-300 inline-flex items-center">
                立即开始练习 <i class="fas fa-keyboard ml-2"></i>
            </a>
        </div>
    </section>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
            }
        });
    </script>
</body>
</html>
```